Roofing



June 30, 1925.

D. FINLEY ROOFING Filed Dec.' 21, 1922 al afflux l. w Evra A BY wilt /d ai@ ."1 TTOR NE YS Patented June (l, l25.

DOZIER FINMY, Q17' BERKELEY, CALXFORNIA, ASSIGNOE TO THE PARAFFINE COM- PANIES, INC., 0F SAN' FRANCISCO, CALIFORNIA, A CORPORATON OF DELAWARE.

' ROOFING.

application inea December 2i, i922. serial no. seam.

To all whom t may concern:

Be it known that il, DOZIER FINLEY, a citizen of the United States of America, and a resident of Berkeley, county of Alameda, and State ci California, have invented a new and useful ltoong, of which the 0l lowing is a specification.

My invention relates to prepared roofings yand one oli' the objects of the invention is the provision of a prepared roofing of which the entire surface is covered with a granular material, a portion of such granular material being of a dierent color than the rest and disposed in a straight line spaced from and parallel to one edgeof the roofing so that it may act as a guide line in the spacing oi' the lap when the rooiing is laid.

My invention possesses other objects and features of advantage, some of which, With the foregoing, will be set forth in the following description of the invention. lt is to be understood that ll do not limit myseli1 to the showing made by the said description as may adopt variant forms of my invention Within the scope of the claims. v

Referring to the drawings: Fig. l is a plan view of a section of my roofing and Fig. 2 is a sectional view thru the roofing taken on the line 2 2 of Fig. l.

My roofing comprisesa felt-base sheet 2 impregnated and coated with a lbituminous material in the usualor any desired manner. `While the coated surface of the sheet is still in an adhesive condition, a surfacing or coating of granular material is applied thereover so that it is embedded in and held by the bituminous coating. Such surfacing preferably consists of three parts,-one of which is amarginal strip 3, which may be about tvvo inches Wide and which extends along one edge of the sheet. The material for this portion ofi the coating is quite line preferably of a size to pass thru a B-mesh screen,v Bordering the marginal strip on,

the inside is a narrow strip of preferably a white sand 4, which may be about onequarter of an inch Wide, and substantially parallel to the edge of the sheet. The re mainder oft the surface of the sheet is covered by a coarser granulated material 5 which is preferably of the same material as that forming the strip 3.

In crushing the material i'or the coating 5 considerable quantities oi the liner sizes are formed and these are preferably Aused .or-

the marginal strip, thus providing'a use for a material otherwise Wasted. Such material may be of any suitablenature, such as crushed slate, or crushed brick. sirable however, that the narrow strip i shall be a different color than the bordering areas, so that it stands out from the surface in a clearly marked line, which becomes particularly useful in indicating the correct amount of lap when the roofing sheets are laid.

I am aware that rooings have heretofore been made with a marginal strip of sand. My invention, however, has marked advantages over suoh prior roofing-s in that 'the quantity of sand used in a narrow line is materially less than for 'a comparatively Wide surface, so that the amount of it which becomes mixed With the adjoining granular coating is negligible, thus preserving the color or' the adjoining coating. By using on the marginal strip, the fines of the same 4material 'With Whichthe maior portion of the sheet is coated, an otherwise Waste product -is put to good use with a consequent saving in cost of production. A superior surface is provided by the finely granulated material upon which a Weother-tightY lap\ may be `formed.

lt is ot course obvious that any other color scheme resulting from a choice o'i surfacing materials other 'than those 'named will be equally eiiective in providing a roofing of distinctive appearance and embodying the lap guide.

i. A prepared roofing comprising a roofn inesheet a la guide line of rranular nia- C 7 t; D

terial disposed thereon, a surfacing of tine granular material on one side oi" said. line, and a surfacing of coarse granular material on the opposite side of said line, said lap guide line being of a diderent color from the tine and coarse granular material to 'thereby strikingly indicate 'the exact 'oint of overlap for the adjoining roofing snect.

2. A, prepared rooiing comprising a roofing sheet, a lap guide line oif granular material disposed'thereon, and a surfacing of granular material of different color than the material oi' said guide line on each side 'of said line, that on one side being coarse and that on the other sido being line, y

3l. A prepared roofing comprising roofing sheet, a narrow .line ot granular matelt is derial disposed thereon constituting e iep dierent materiel and color strikingly indiguide of small Width, and a surfacing of Cates the exact point of Overlap for the adgranuiar matera of dierent color than joining roofing sheet. 10 the material of said guide line on each side n testimony whereof, I have hereunto 5 of said line, that on one side being coarse set my hand.

and that on the other side being fine, Where by the relatively narrow lap guide line 0f DUZIER FINLEY. 

